it's advantageous to us. it allows us to find a smart middle ground -- or common ground, better said, where our interests coincide. and that in and of itself helps build a stronger strategic partnership. >> how will you know it succeeds? >> well, we will -- i think we'll see travelers move to the pre-cleared routes. i think -- i think that'll be the easiest way to see because they'll recognize that having pre-cleared abroad so that when you get off of that 13-hour flight and land at dulles or jfk, you don't have to wait in lines -- i think most travelers would view that as an advantage. so i think you'll measure it by how travel routes adjust. >> mmm hmm. let me ask you question that i know the secretary of department of homeland security always gets. but you're here, so why not. what keeps you up at night right now? as you look at the raft of endeavors and of programs that you're undertaking to address threats and problems, what keeps you up at night? >> well, i think -- you know, the things i know about don